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A real standout — but practically invisible

Polk's Vanishing® Series 500-LS in-ceiling speaker is designed to stay out of sight and out of mind...until you hear the rich, detailed sound it produces. This high-performance speaker is no more intrusive than a standard inset light fixture, which means you can enjoy great sound in rooms where regular free-standing speakers are an awkward fit.

Advanced 3-way design

The secret to the 500-LS's compact cutout size lies in Polk's innovative "Cassini Oval" driver design, which positions an oval-shaped woofer at an angle behind the midrange and tweeter array, in a built-in dual-ported bandpass enclosure. The woofer's increased surface area and rigid cast basket combine for deep musical bass. This speaker also features Polk's own advanced version of the classic "ring radiator" tweeter for smooth, detailed highs, along with a 2-1/2" Dynamic Balance midrange driver, for accurate response across a wide frequency range.

Sound-shaping controls

A wall distance toggle switch lets you compensate for boominess due to installation near a side wall. You also get a tweeter attenuation switch to help you get balanced sound in rooms with lots of reflective surfaces.

Mix and match with Polk's free-standing LSi M speakers

Use a pair of 500-LS in-ceiling speakers to listen to music in the den, or add more for a great sounding home theater. Vanishing Series LS speakers are voice-matched to Polk's renowned free-standing LSi M speakers, so you can combine these in-ceiling speakers with in-walls or free-standing speakers and get harmonious results.

An optional in-ceiling bracket is recommended for installing the 500- LS speaker in a home with new construction.

Product Research

Features

Vanishing Series In-ceiling Speakers: The Polk Audio
Vanishing Series in-ceiling loudspeakers feature a
precision-engineered, minimally flanged design and Polk's exclusive Sheer-Grille,
which protrudes only 7mm from its surroundings. Installing virtually flush in
your ceiling, the Polk Audio Vanishing Series in-ceiling loudspeakers
offer a one-cut, drop-in installation and rotating cam stabilizing system. The
Vanishing LS series in-ceiling speakers are timbre-matched to Polk Audio's flagship LSi
and LSiM series loudspeakers for seamless blending from speaker to speaker when
you're building a speaker system.

Cassini-Oval Woofer: This Polk Audio Vanishing Series 500-LS
in-ceiling surround loudspeaker employs a rear-mounted 4" x 6" Dynamic Balance
mineral-filled
polypropylene Cassini-Oval cone woofer, with rubber surround, for a smooth, consistent frequency
response. The oval woofer is mounted at an angle in the enclosure, behind the
midrange and tweeter, and ported out the front.

Wall Distance Toggle Switch: If you mount your in-ceiling
loudspeakers closer than 2 feet from a side wall, the proximity of the surface
can elevate the midbass response between 50 and 200Hz, causing a boomy sound. To
compensate, the 500-LS is equipped with the Vanishing Wall Distance Toggle
switch, located on the front panel. The filter adjusts the crossover to flatten
the response, and tune out the boominess, without sacrificing the deep bass
response of the speaker. The switch is labeled "Wall Dist." with two positions:
in (<2') and out (>2')."

Reflective Room Compensation Control: The Reflective Room
Compensation Switch, conveniently located on the front panel, allows you to
digitally compensate for harsh reflective surfaces, such as smooth walls, glass
windows, and hardwood floors. The filter doesn't merely reduce high frequencies,
it simply cuts the level only in the 4-5kHz range where room acoustics most
often interfere with performance. The switch is labeled "Room" with two
positions: out (normal) and in (reflective).

Frequency Response: The overall frequency response of the
in-ceiling loudspeaker is 35Hz to 33kHz, and the -3dB frequency
response is 48 to 29kHz.

Sheer-Grille: The 500-LS features Polk Audio's exclusive wafer-thin Sheer-Grille, a
magnetically-secured metal grille that protrudes only 7mm from its surroundings. The Sheer-Grille can be painted to match your décor, making it virtually
indistinguishable from its surroundings. The Sheer-Grille has nearly
transparent, ultra-small perforations, and is acoustically inert, for dynamic,
unimpeded sound and more uniform coverage, even in larger rooms. The grille
diameter is 7-3/4".

Connections

Gold-Plated Spring-Loaded Posts: The in-ceiling loudspeaker has a gold-plated pair of spring-loaded binding posts that can
accept up to 12-gauge wire, single- or dual-banana plugs, or pin connectors.

Mounting Options

Applications: The Polk Audio Vanishing Series
500-LS in-ceiling loudspeaker is designed to be used as part of a hidden
two-channel stereo pair or in a 5.1- or 7.1-channel home theater configuration.
At only 7-3/4" in diameter, the speaker is no larger, and no more intrusive,
than an inset lighting fixture.

Note: The speaker isn't recommended for installation in
high-moisture locations.

Security Eyebolt: The speaker has an eyebolt attached to the
speaker magnet. This eyebolt is designed to be used as an extra measure of
installation security. The majority of the speaker weight should be supported
from behind by attaching a wire or hook to the eyebolt and to the ceiling
joists.

Rotating Cam System: The Polk Audio in-ceiling loudspeakers
utilize a rotating cam system to ensure a secure, vibration-free installation.
Each 500-LS has 4 rotating cams to hold the speaker in place. The cams can be
tightened from the front panel with a Phillips-head screwdriver.

Installation: The 500-LS can be installed in new or
existing construction:

Existing Construction: In existing ceilings, use the included
cardboard template for one-cut, drop-in simplicity. Achieve secure,
vibration-free efficiency with a simple turn of Polk's Rotating Cam system
(4 rotating cams).

New Construction: The optional
PB
450 pre-construction brackets should be used for new-build or open-wall retro-fitting.

Dimensions

Overall Dimensions (with grille)

Diameter = 7-3/4"
Depth=9-9/16"

Cutout Dimensions

Diameter = 6"

Mounting Depth (behind 1/2"
drywall)

Depth = 8-7/8"

Weight

6.5 lbs.

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